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Find the \(51^{\text{st}}\) term of the following series: \[ 12,\, 13\frac{1}{2},\, 15,\,…

The series is an arithmetic progression with first term 12 and common difference 1.5. The nth term is \(a+(n-1)d\), so the 51st term is \(12+50\times1.5\). This equals…

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Find the 51st51^{\text{st}} term of the following series: 12, 1312, 15, 1612, 18, … 12,\, 13\frac{1}{2},\, 15,\, 16\frac{1}{2},\, 18,\, \dots

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The series is an arithmetic progression with first term 12 and common difference 1.5. The nth term is a+(n−1)da+(n-1)d, so the 51st term is 12+50×1.512+50\times1.5. This equals 12+75=8712+75=87.

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